Tannin, one of the main chemical components of coffee beans, accounts for about 7% of the total chemical composition of coffee beans. After extraction, tannic acid will turn into a yellowish powder and easily dissolve in water. Once heated, it will decompose to produce pyrosylic acid, making the taste of coffee worse. Because of this, a cup of brewed coffee will lose its taste and taste if it is not drunk immediately.
2014-11-18 Coffee knowledge coffee basics coffee common sense tanninTannin coffee tannic acid coffee contains a variety of ingredients, extraction is not to extract all of these ingredients, there is usually such a rule: if the amount of coffee powder is fixed, the amount of soluble components extracted depends on the degree of grinding and time. The finer the grinding degree of coffee powder is, the longer the extraction time is, the more ingredients will be obtained. According to the experiment, if the quantitative coffee powder can be extracted
2016-01-04 Talking about coffee astringent taste culprit tannin Tannin understanding reasonTannin, one of the main chemical components of coffee beans, accounts for about 7% of the total chemical composition of coffee beans. After extraction, tannic acid will turn into a yellowish powder and easily dissolve in water. Once heated, it will decompose to produce pyrosylic acid, making the taste of coffee worse. Because of this, a cup of brewed coffee will lose its taste and taste if it is not drunk immediately.
2014-09-27 Coffee knowledge coffee terminology tanninTannin coffee tannic acid coffee contains a variety of ingredients, extraction is not to extract all of these ingredients, there is usually such a rule: if the amount of coffee powder is fixed, the amount of soluble components extracted depends on the degree of grinding and time. The finer the grinding degree of coffee powder is, the longer the extraction time is, the more ingredients will be obtained. According to the experiment, if the quantitative coffee powder can be extracted
2016-01-16 Coffee astringent taste culprit tannin source contentTannin, one of the main chemical components of coffee beans, accounts for about 7% of the total chemical composition of coffee beans. After extraction, tannic acid will turn into a yellowish powder and easily dissolve in water. Once heated, it will decompose to produce pyrosylic acid, making the taste of coffee worse. Because of this, a cup of brewed coffee will lose its taste and taste if it is not drunk immediately.
2014-12-24 Boutique coffee common sense what Ning acid coffee beans main chemistry ingredientsThere are great differences between the two in the way and time of extraction: 1, hot coffee is extracted with hot water higher than 80 degrees Celsius or above 85 degrees Celsius; second, it must be extracted quickly, because too slow coffee extraction will cause miscellaneous smell. the main substance causing miscellaneous smell is tannin, which can be decomposed into pyrosylic acid after boiling, while tannin can be easily dissolved and decomposed in hot water.
2016-04-20 Ice droplets coffee chilled extraction different principle China both take wayCaffeine: it has a particularly strong bitter taste and stimulates the central nervous system, heart and respiratory system. Appropriate amount of caffeine can also reduce muscle fatigue and promote digestive juice secretion. Because it promotes kidney function, it is diuretic and helps the body to expel excess sodium ions from the body. But eating too much can lead to caffeine poisoning. Tannic acid: boiled tannic acid will be decomposed into pyrouric acid
2015-10-17 Coffee main ingredients what Ning acid fat caffeine special strongThe planting conditions of coffee trees the origin of coffee trees is in Ethiopia, Africa. In botany, coffee trees belong to the evergreen trees of the subgenus Rubiaceae, and coffee beans, commonly known as coffee beans, are the seeds of the fruit of coffee trees, just because they are shaped like beans, so they are called coffee beans. Climate is the decisive factor for coffee cultivation, and coffee trees are only suitable for growing in the tropics or subtropics.
2016-06-12 Coffee planting need what condition Ning Acid OriginCaffeine: caffeine is the most eye-catching of all the ingredients in coffee. It belongs to a kind of phytoxanthin (animal muscle component). It has the same properties as theobromine contained in cocoa, green tea contains the same theophylline, and the percentage of reduction after baking is very small. Caffeine has a very wide range of effects. will affect the human brain, heart, blood vessels, gastrointestinal, muscle and kidney and other parts, the right amount of coffee
2015-06-13 Coffee Chemistry ingredients caffeine Ning Acid all mediumMost of the coffee should be hot. Most of the coffee should be hot. As the coffee cools, some aromatic substances will run away, and so will the tannin. If the tannin is rampant, the elegant fruit acid of the coffee will become an astringent dead acid. The landlord once made a comparison, the same cup of coffee, after a minute of rest, the taste of the coffee is different. The landlord is accustomed to drinking it cold when there is only one stroke left.
2016-05-23 Is a coffee novice excuse me how start most of the coffee hot drink along withCoffee contains a variety of ingredients, extraction is not to extract all of them. There is usually this rule: if the amount of coffee powder is constant, the amount of extraction of soluble components is determined by the degree of grinding and time. The finer the grinding degree of coffee powder is, the longer the extraction time is, the more ingredients will be obtained. According to the experiment, if all the ingredients that can be extracted from the quantitative coffee powder are extracted.
2016-01-04 Prevent take out coffee tannins if correctly make medium astringent appearThere is an essential difference between ice-drop coffee and ice-cold coffee. Ice-drop (or ice-brewed) coffee and ice-cold or ice-cold coffee seem to be different in one word, but the two are essentially different in extraction and should not be confused. Ice drop (also known as ice brew) coffee is a coffee beverage extracted by soaking in water below 5 degrees Celsius for a long time at a low temperature. Iced coffee or iced coffee refers to quick extraction with hot water
2016-04-30 Ice drop ice brew coffee with ice difference"Coffee composition analysis" 1."Caffeine": strong bitter taste. Stimulates the central nervous system, heart and respiratory system. Appropriate amount can reduce muscle fatigue, promote digestive juice secretion, promote kidney function, diuresis, discharge excess sodium ions in the body. A normal person's scientific daily coffee intake will not lead to excessive caffeine intake affecting normal life phenomenon! 2."Tannin acid": after boiling
2014-09-23 Coffee knowledge Coffee ingredients Understanding coffeeIn the process of making delicious coffee, we always encounter all kinds of challenges.
2014-06-11 Coffee knowledge Coffee Encyclopedia Coffee trainingTannin: commonly known as (tannin acid), it is simply the source of the astringency of coffee. Excessive extraction can be particularly marked by the production of tannins. Tannins can promote gastric juice secretion and eliminate free radicals. Free radicals: free radicals, harmful compounds produced in the oxidation of the body, with strong oxidation, can damage the tissues and cells of the body, and then cause chronic diseases and aging effects.
2014-08-22 Coffee knowledge coffee wordsIn the process of making delicious coffee, we always encounter all kinds of challenges. For example, if the extraction is too low, the aroma of the coffee will not be released, and the excessive extraction of coffee will lead to a cup of bitter coffee. With excessive extraction, how do you get the bitterness and astringency of coffee? Please take a look at what we share with you today: reduce the astringency of coffee: prevent excessive extraction of tannic acid
2014-10-13 Coffee knowledge coffee taste coffee extractionCoffee Bean Composition Analysis Green Bean (Unit: Percentage) Moisture: 11.3 Fat: 11.7 Protein: 11.8 Sugar: 8.0 Essence: 17.1 Caffeine: 1.3 Tannin: 6.0 Minerals: 4.2 Crude Fiber: 28.6 Cooked Bean Moisture: 2.5 Fat: 13.2 Protein: 12.8 Sugar: 1.8 Essence: 29.6 Caffeine: 1.3 Tannin: 4.0 Minerals
2014-06-26 Coffee bean ingredients single-ingredient coffee beansIt is often seen that some coffee lovers confuse ice drop (or ice brew) coffee with chilled coffee after hot coffee is added to ice, and some coffee shops or hotels take advantage of this to deceive consumers. So send this post to introduce the difference between them and the fundamental difference in connotation.
2014-08-18 Coffee knowledge iced coffee coffee on the rocksCaffeine is the most eye-catching of all the ingredients of coffee. It belongs to plant xanthamins (animal muscle components) and has the same properties as theobromine in cocoa and theophylline in green tea.
2014-05-16 Coffee knowledge coffee chemical compositionCaffeine: caffeine is the most eye-catching of all the ingredients in coffee. It belongs to a kind of phytoxanthin (animal muscle component). It has the same properties as theobromine contained in cocoa, green tea contains the same theophylline, and the percentage of reduction after baking is very small. Caffeine has a very wide range of effects. will affect the human brain, heart, blood vessels, gastrointestinal, muscle and kidney and other parts, the right amount of coffee
2014-05-27 Coffee knowledge coffee ingredients